Kiernan

Kiernan was the #3,379 boys' name in the US in 2025 (34 babies).

Kiernan as a boy’s name

  • US
  • England & Wales
  • Northern Ireland
  • Ireland
  • Canada
Kiernan as a boy’s name, US, England & Wales, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.00.130.250.380.518801900192019401960198020002020US
Kiernan as a boy’s name, US, England & Wales, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.00.130.250.380.51880192019602000
Babies per 1,000 of the same sex in each published list. Breaks in a line are years with too few babies to be published.
Show the numbers
YearUSEngland & WalesNorthern IrelandIrelandCanada
2025#3,379 (34)————
2024#3,104 (39)————
2023#3,802 (29)#4,108 (4)———
2022#3,617 (31)————
2021#2,972 (41)————
2020#3,344 (33)————
2019#3,716 (29)————
2018#2,796 (43)————
2017#2,388 (54)————
2016#3,441 (32)————
2015#2,919 (40)————
2014#2,805 (42)————
2013#3,189 (34)————
2012#2,869 (41)#4,805 (3)———
2011#2,173 (60)————

Kiernan as a girl’s name

  • US
  • Ireland
Kiernan as a girl’s name, US, IrelandBabies per 1,000 in the published list, 1880–2025, for US, Ireland. Gaps mark years with too few babies to be published.00.050.10.150.218801900192019401960198020002020US
Kiernan as a girl’s name, US, IrelandBabies per 1,000 in the published list, 1880–2025, for US, Ireland. Gaps mark years with too few babies to be published.00.050.10.150.21880192019602000
Babies per 1,000 of the same sex in each published list. Breaks in a line are years with too few babies to be published.
Show the numbers
YearUSIreland
2025#10,107 (9)—
2024#13,477 (6)—
2023#8,486 (12)—
2022#7,631 (14)—
2021#6,691 (17)—
2020#5,667 (21)—
2019#4,653 (29)—
2018#6,248 (19)—
2017#5,191 (25)—
2016#8,393 (13)—
2015#9,481 (11)—
2014#8,053 (14)—
2013#7,372 (16)—
2012#9,711 (11)—
2011#8,196 (14)—

The tide so far

  • Peaked in the US in 2010 at #1,913.
  • Holding steady over the last five years.
  • First recorded in the US in 1957.
  • In 2025, 21% of US babies named Kiernan were girls.

How common is it?

about 1 in 50,000 baby boys in the published US list for 2025.

In a group of 1,000 children born that year, you would expect to meet fewer than 1. How we work this out.

How common, country by country

WhereSexLatest yearShareVerdict
USBoys2025about 1 in 50,000rare
USGirls2025about 1 in 170,000rare

Next year

On its recent trend, Kiernan is likely to hold steady in the US in 2026: about 1 in 50,000 baby boys. Likely range 1 in 37,000 to 1 in 69,000.

Estimate, not an official figure. How we estimate.

Spellings

Official statistics count each spelling separately, so we show them side by side rather than adding them up.

SpellingWhereSexLatest rankBabies
KiernanCanadaBoys—too few
KiernanEngland & WalesBoys—too few
KiernanIrelandGirls—too few
KiernanIrelandBoys—too few
KiernanNorthern IrelandBoys—too few
KiernanUSGirls#10,1079
KiernanUSBoys#3,37934